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  1. Dictionary
    perpendicular
    /ˌpəːp(ə)nˈdɪkjʊlə/

    adjective

    • 1. at an angle of 90° to a given line, plane, or surface or to the ground: "dormers and gables that extend perpendicular to the main roofline" Similar at right anglesat 90 degreessquare
    • 2. denoting the latest stage of English Gothic church architecture, prevalent from the late 14th to mid 16th centuries and characterized by broad arches, elaborate fan vaulting, and large windows with vertical tracery: "the handsome Perpendicular church of St Andrew"

    noun

    • 1. a straight line at an angle of 90° to a given line, plane, or surface: "at each division draw a perpendicular representing the surface line"

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  2. dictionary.cambridge.org › dictionary › englishPERPENDICULAR | English meaning - Cambridge Dictionary

    PERPENDICULAR definition: 1. at an angle of 90° to a horizontal line or surface: 2. at an angle of 90° to another line or…. Learn more.

  3. www.merriam-webster.com › dictionary › perpendicularPerpendicular Definition & Meaning - Merriam-Webster

    The meaning of PERPENDICULAR is standing at right angles to the plane of the horizon : exactly upright. How to use perpendicular in a sentence. Synonym Discussion of Perpendicular.

  4. dictionary.cambridge.org › us › dictionaryPERPENDICULAR definition | Cambridge English Dictionary

    PERPENDICULAR meaning: 1. at an angle of 90° to a horizontal line or surface: 2. at an angle of 90° to another line or…. Learn more.

  5. www.dictionary.com › browse › perpendicularPERPENDICULAR Definition & Meaning | Dictionary.com

    Perpendicular definition: vertical; straight up and down; upright.. See examples of PERPENDICULAR used in a sentence.

  6. www.collinsdictionary.com › dictionary › englishPERPENDICULAR definition and meaning | Collins English Dictionary

    A perpendicular line or surface points straight up, rather than being sloping or horizontal. We made two slits for the eyes and a perpendicular line for the nose. The sides of the loch are almost perpendicular.

  7. www.vocabulary.com › dictionary › perpendicularPerpendicular - Definition, Meaning & Synonyms | Vocabulary.com

    Two lines that form a T are perpendicular to each other. They meet at a right angle. A person who is standing is perpendicular to the earth. Use perpendicular to describe lines, angles, and direction. In geometry a perpendicular angle is 90 degrees, a perfect L.

  8. www.oxfordlearnersdictionaries.com › us › definitionperpendicular adjective - Definition, pictures, pronunciation and...

    perpendicular (to something) forming an angle of 90° with another line or surface; vertical and going straight up. Are the lines perpendicular to each other? The staircase was almost perpendicular (= very steep).

  9. www.thefreedictionary.com › perpendicularPerpendicular - definition of perpendicular by The Free...

    1. Mathematics A line or plane perpendicular to a given line or plane. 2. A perpendicular position. 3. A device, such as a plumb line, that is used in marking the vertical from a given point. 4. A vertical or nearly vertical line or plane.

  10. www.dictionary.com › browse › Perpendiculars'Perpendicular Definition & Meaning | Dictionary.com

    either of two lines perpendicular to the keel line, base line, or designed water line of a vessel.

  11. dictionary.cambridge.org › dictionary › learner-englishPERPENDICULAR | meaning - Cambridge Learner's Dictionary

    PERPENDICULAR definition: at an angle of 90 degrees to something. Learn more.